Research papers

Arc Tracking Control in Insulation Systems for Aeronautic Applications: Challenges, Opportunities, and Research Needs

Next generation aircrafts will use more electrical power to reduce weight, fuel consumption, system complexity and greenhouse gas emissions.

Information Management to Mitigate Loss of Control Inflight Airline Accidents

Aviation Safety: A Whole New World?

In 2017, over four billion passengers worldwide embarked on air journeys on scheduled flights. Only eight of them were killed in air accidents. Viewed in isolation, this outcome would suggest that ...

Sensing for aerospace combustor health monitoring

Purpose This paper proposes new methods of fault detection for fuel systems in order to improve system availability. Novel fault systems are required for environmentally friendly lean burn combustion, but can carry high …

Humor and Fear Appeals in Animated Pedagogical Agents: An Evaluation in Aviation Safety Education

Humor and fear appeals are widely employed in traditional communication for educational purposes, but their exploitation in animated pedagogical agents has been scarcely explored.

A state-based approach to modeling general aviation accidents

Abstract This paper develops a state-based accident model that we apply to General Aviation (GA) accidents recorded in the National Transportation Safety Board (NTSB) accident database.

Safe limits, mindful organizing and loss of control in commercial aviation

Abstract In commercial aviation, loss of control (LOC) incidents are currently the single biggest cause of accident fatalities. Although LOC incidents typically have multiple causes, inappropriate flight crew responses t…

The role of safety architectures in aviation safety cases

Abstract We develop a notion of safety architecture (SA), based on an extension to Bow Tie Diagrams (BTDs), to characterize the overall scope of the mitigation measures undertaken to provide safety assurance at both desi…

The Main Factors that Affect Pilot Attention and Decision Making During Landing Operation Leading to Runway Incursion

A runway incursion is a problem which rare to happen but has a great impact while happening. According to the Federal Aviation Administration (FAA), there are three categories that caused runway incursion: Operational er…

Safety intelligence: Incremental proactive risk management for holistic aviation safety performance

Abstract Aviation safety is traditionally managed based on the analysis of accidents and incidents. Such strategies allowed aviation safety to evolve greatly, but have the major drawback of being reactive, i.e.

Bayesian Network for Managing Runway Overruns in Aviation Safety

Runway excursions at landing constitute a major threat to aviation safety. Among them, runway overruns, defined as those occurrences when an aircraft departs the end of a runway, are the most frequ...

Effects of a Mixed Reality-based Cognitive Training System Compared to a Conventional Computer-assisted Cognitive Training System on Mild Cognitive Impairment: A Pilot Study

Background: Mixed reality (MR) technology, which combines the best features of augmented reality and virtual reality, has recently emerged as a promising tool in cognitive rehabilitation therapy.

sEMG-Based Detection of Compensation Caused by Fatigue During Rehabilitation Therapy: A Pilot Study

To stimulate neuroplasticity, the stroke patient often receives repetitive and high load robotic rehabilitation therapy. Given their impaired motor function, the patients are prone to muscle fatigue.

Enabling Technologies and Platforms to Aid Digitalization of Commercial Aviation Support, Maintenance and Health Management

Due to advancement of electronic hardware and software, big leaps in computational power and resurging of several enabling technologies such as AI, big data and cloud is continue happening.

Challenges in Vehicle Safety and Occupant Protection for Autonomous electric Vertical Take-off and Landing (eVTOL) Vehicles

The burgeoning electric Vertical Take-off and Landing (eVTOL) vehicle industry has generated a significant level of enthusiasm amongst aviation designers, manufacturers and researchers.

Exploring the use of arcade game elements for attitude change: Two studies in the aviation safety domain

Abstract Gamification and serious games are increasingly employed for attitude change purposes. However, they frequently exploit a limited set of game elements, such as points, badges and leaderboards, and scarcely explo…

Temporal topic modeling applied to aviation safety reports: A subject matter expert review

Abstract The aviation safety reporting system database has seen many applications of topic modeling and natural language processing. Its size, metadata, and narratives have made it ideal for demonstrating new models and …

A Bayesian Safety Assessment Methodology for Novel Aircraft Architectures and Technologies Using Continuous FHA

Novel architectures and technologies carry with them an uncertainty related to their reliability and associated safety risk. Existing safety assessment methods involve determining the severity of discrete functional fail…

Analysis of interactions between Urban Air Mobility (UAM) operations and current air traffic in urban areas: Traffic alert and Collision Avoidance System (TCAS) study for UAM Operations

This paper presents a preliminary modeling and analysis of interactions between proposed UAM operations and present-day conventional traffic if UAM operations occurred along FAAapproved helicopter routes and altitude cei…

The Unexplored Link between Communication and Trust in Aviation Maintenance Practice

Communication and trust are fundamental factors in the operation of complex and highly regulated industries like aviation maintenance.

Using lda2vec Topic Modeling to Identify Latent Topics in Aviation Safety Reports

The study of aviation safety report in the aviation industry usually relies on manually labeled data sets, and then classifies and models related problems, which have become insufficient in the face of increasingly rapid…

Vision-model-based Real-time Localization of Unmanned Aerial Vehicle for Autonomous Structure Inspection under GPS-denied Environment

UAVs have been widely used in visual inspections of buildings, bridges and other structures. In either outdoor autonomous or semi-autonomous flights missions strong GPS signal is vital for UAV to locate its own positions…

Topology-Reconfigurable Fault-Tolerant LLC Converter With High Reliability and Low Cost for More Electric Aircraft

Thanks to the advantages of high fuel efficiency and low emission, more electric aircraft (MEA) has attracted increasing attention in recent years.

Civil aviation safety evaluation based on deep belief network and principal component analysis

Abstract Civil aviation in modern industries is becoming increasingly automatic, precise, and efficient. Serious accidents and unsafe incidents are used to describe and investigate the safety level.

Impact of Engine Failure Constraints on the Initial Sizing of Hybrid-Electric GA Aircraft

Potential advantages of hybrid-electric aircraft are fuel savings, lower emissions, and reduced noise. Since these aircraft generally apply multiple power sources, they can also be designed to sustain flight if certain p…

Active Control of a Morphing Wing Aircraft and Failure Analysis for System Reliability

This thesis presents the research on the design, construction, and implementation of a control system capable of controlling the AFRL morphing wing using a set of optimized equations developed by USU.

A simplified monitoring model for PMSM servoactuator prognostics

Electromechanical actuators (EMAs) based on Permanent Magnet Synchronous Motors (PMSMs) are currently employed on various aircraft systems, and are becoming more and more widespread in safety critical applications.

How are laser attacks encountered in commercial aviation? A hazard analysis based on systems theory

Abstract Laser attacks in commercial aviation have become headline news worldwide and the frequency of incidents has increased. A review of the research regarding lasers in commercial aviation shows the need for a system…

A sensor selection method using a performance metric for phased missions of aircraft fuel systems

Abstract Component failures in complex systems, such as aircraft fuel systems, can have catastrophic effects on system performance. There are a large number of components in these systems, each with a number of different…

A causal encounter model of traffic collision avoidance system operations for safety assessment and advisory optimization in high-density airspace

Abstract The traffic collision avoidance system (TCAS) acts as a proverbially accepted last-resort means to resolve encounters effectively, while it also has been proven to potentially induce a collision in the hectic ai…

Preventing human error at an approved training organization using Dirty Dozen

Following a recently-submitted review on a few human factor identification models (interpretations of Professor Edwards’ SHELL Model, Boeing’s Maintenance Error Decision Aid (MEDA), Professor Reason’s Swiss Cheese Model,…

Bayesian Network Modeling of Airport Runway Incursion Occurring Processes for Predictive Accident Control

This study presents a Bayesian Network modeling approach with a focus on modeling the communication errors causing RIs during aircraft take-offs and how different factors contribute to the accidents according to the info…

Monitoring Pilot's Cognitive Fatigue with Engagement Features in Simulated and Actual Flight Conditions Using an Hybrid fNIRS-EEG Passive BCI

There is growing interest for implementing tools to monitor cognitive performance in naturalistic environments. Recent technological progress has allowed the development of new generations of brain imaging systems such a…

Human Factor Analysis about Human Error on Aviation Maintenance

The purpose of this study was to analysis the human factors that contribute to maintenance errors and making corrective actions to eliminate or reduce the probability of future, similar errors.

Research on a new aviation safety index and its solution under uncertainty conditions

Abstract Aviation safety has been an eternal theme since aircraft is invented, and safety risk assessment is taken as the important method to evaluate the aircraft safety, but it is usually difficult to compute and compa…

Generating synthetic aviation safety data to resample or establish new datasets

Abstract Aviation safety data are limited in availability due to their confidential nature. Some aggregated overviews already exist but in order to effectively use the data, it is important to fill the gaps of their exis…

Rapid detection and social media supervision of runway incursion based on deep learning

The experimental result shows that the airport target detection based on optimised YOLO has excellent fastness and accuracy.

Fleet Monitoring and Diagnostics Framework Based on Digital Twin of Aero-Engines

Monitoring aircraft performance in a fleet is fundamental to ensure optimal operation and promptly detect anomalies that can increase fuel consumption or compromise flight safety.

Insights for Critical Alarm-Based Warning Systems from a Risk Analysis of Commercial Aviation Passenger Screening

The Transportation Security Administration (TSA) recently commissioned a risk analysis of the passenger threat vector in which an adversary gains access through the screening checkpoint.

Safety knowledge transfer through mobile virtual reality: A study of aviation life preserver donning

Virtual Reality techniques are used, adapting them to the constraints imposed by on-board aircraft use, such as usage on non-immersive, small displays, and show that the participants who use the mobile VR tool were able …

High risk occurrence chains in helicopter accidents

An approach to identify high-risk sequences of events (or occurrence chains) in General Aviation accidents using historical accident data is developed and recommended to improve the NTSB accident database and recording s…

AMELIA: An application of the Internet of Things for aviation safety

Towards Learning Spatio-Temporal Data Stream Relationships for Failure Detection in Avionics

Future dynamic data driven applications systems (DDDAS) using machine learning can identify complex dynamic data-driven failure models, which will in turn enable more accurate flight planning and control for emergency co…

Augmented and virtual reality for inspection and maintenance processes in the aviation industry

Abstract Maturity of augmented and virtual reality devices has considerably grown recently. As processes in the aviation industry are error prone and time consuming, efforts are made to implement these technologies to su…

Effectiveness of working memory training among children with dyscalculia: evidence for transfer effects on mathematical achievement—a pilot study

The results show that both WM and mathematical performances improved significantly after intervention, indicating a strong relationship between these two constructs.

Multi-level virtual prototyping of electromechanical actuation system for more electric aircraft

Abstract Electromechanical actuators (EMAs) are becoming increasingly attractive in the field of more electric aircraft because of their outstanding benefits, which include reduced fuel burn and maintenance cost, enhance…

Explaining Aviation Safety Incidents Using Deep Temporal Multiple Instance Learning

Although aviation accidents are rare, safety incidents occur more frequently and require a careful analysis to detect and mitigate risks in a timely manner.

Efficient clear air turbulence avoidance algorithms using IoT for commercial aviation

With the growth of commercial aviation over the last few decades there have been many applications designed to improve the efficiency of flight operations as well as safety and security.

Skin-Spar Failure Detection of a Composite Winglet Using FBG Sensors

Winglets are introduced into modern aircraft to reduce wing aerodynamic drag and to consequently optimize the fuel burn per mission. In order to be aerodynamically effective, these devices are installed at thewing tip se…

Dealing With Unexpected Events on the Flight Deck: A Conceptual Model of Startle and Surprise

Objective: A conceptual model is proposed in order to explain pilot performance in surprising and startling situations. Background: Today’s debate around loss of control following in-flight events and the implementation …